GReddy Rear Diffuser

2009–2010 Mazda RX-8 17040409

Part #: 17040409

Overview

The GReddy Pandem Rocket Bunny Rear Diffuser is a high-performance aerodynamic upgrade designed specifically for the 2009–2010 Mazda RX-8. Crafted to enhance both the aesthetic appeal and aerodynamic efficiency of your vehicle, this rear diffuser is an essential component for enthusiasts looking to improve their car’s downforce, stability, and overall sporty appearance. Whether you're aiming for a more aggressive look or seeking to optimize your RX-8's handling at higher speeds, this diffuser offers a perfect blend of style and function.

Manufactured by GReddy, a renowned name in the performance automotive industry, this rear diffuser is built with quality and durability in mind. It is ideal for street enthusiasts, track day participants, and those who want to give their Mazda RX-8 a distinctive, race-inspired look. Installing this diffuser can help support improved airflow management underneath your vehicle, reducing lift and increasing grip during spirited driving or high-speed cruising.

Key Features

The GReddy Pandem Rocket Bunny Rear Diffuser features a design that combines aerodynamic efficiency with a bold visual statement. Its construction and design elements include:

• Made from durable, lightweight fiberglass or ABS plastic, ensuring long-lasting performance and resistance to the elements.
• Precisely molded to fit the factory rear bumper of the Mazda RX-8 (2009–2010), ensuring a seamless and secure installation.
• Designed with aggressive styling cues inspired by racing and aftermarket tuning trends, giving your RX-8 a more assertive rear profile.
• Enhanced airflow management with integrated fins and contours that help direct air smoothly underneath the vehicle, reducing turbulence and lift.
• Easy bolt-on installation using existing mounting points, with no need for cutting or extensive modifications.
• Finished with a high-quality surface coating that resists fading and damage from road debris.
• Compatible with other Rocket Bunny or Pandem body kits for a cohesive, race-inspired look.
• Supports improved vehicle stability at high speeds, contributing to better handling and cornering performance.
• Designed to complement the Mazda RX-8's unique styling while adding a performance-oriented touch.

Construction & Design

The GReddy Pandem Rocket Bunny Rear Diffuser is crafted with precision to ensure a perfect fit and durable performance. Its one-piece fiberglass or ABS construction provides a lightweight yet sturdy component that withstands the rigors of daily driving and spirited use. The diffuser's aerodynamic contours are engineered through CAD development and wind tunnel testing, ensuring optimal airflow and minimal drag. The aggressive styling cues are inspired by professional racing vehicles, giving your Mazda RX-8 a distinctive, high-performance appearance.

The diffuser's design incorporates multiple fins and vents that help channel airflow efficiently, reducing turbulence and lift at high speeds. The high-quality surface finish not only enhances the visual appeal but also offers resistance to UV rays, road debris, and weathering, maintaining its appearance over time. Installation is straightforward, utilizing existing factory mounting points, and requires no cutting or drilling, making it accessible for DIY enthusiasts and professional installers alike.

Installation & Fitment

The GReddy Pandem Rocket Bunny Rear Diffuser is designed as a bolt-on upgrade for the 2009–2010 Mazda RX-8. It mounts directly to the factory rear bumper using existing mounting points, ensuring a secure fit without the need for cutting, drilling, or extensive modifications. The installation process is straightforward and can typically be completed within a few hours with basic hand tools. No additional tuning or adjustments are required, making it a convenient upgrade for both novice and experienced enthusiasts.

• Easy bolt-on installation using factory mounting points
• No cutting, drilling, or special modifications needed
• Compatible with OEM and aftermarket body kits for a cohesive look

What's Included

• GReddy Pandem Rocket Bunny Rear Diffuser
• All necessary mounting hardware and brackets
• Installation instructions

Ideal For

• Mazda RX-8 owners seeking a sporty, race-inspired rear upgrade
• Enthusiasts looking to improve aerodynamics and vehicle stability
• Street and track drivers aiming for a bold aesthetic and performance boost